82   bool convertToBRCT(MachineInstr &MI, MachineInstr &Compare,
84   bool convertToLoadAndTrap(MachineInstr &MI, MachineInstr &Compare,
86   bool convertToLoadAndTest(MachineInstr &MI, MachineInstr &Compare,
88   bool convertToLogical(MachineInstr &MI, MachineInstr &Compare,
90   bool adjustCCMasksForInstr(MachineInstr &MI, MachineInstr &Compare,
93   bool optimizeCompareZero(MachineInstr &Compare,
95   bool fuseCompareOperations(MachineInstr &Compare,
175 static unsigned getCompareSourceReg(MachineInstr &Compare) {  in getCompareSourceReg()  argument
177   if (Compare.isCompare())  in getCompareSourceReg()
178     reg = Compare.getOperand(0).getReg();  in getCompareSourceReg()
179   else if (isLoadAndTestAsCmp(Compare))  in getCompareSourceReg()
180     reg = Compare.getOperand(1).getReg();  in getCompareSourceReg()
190     MachineInstr &MI, MachineInstr &Compare,  in convertToBRCT()  argument
218   unsigned SrcReg = getCompareSourceReg(Compare);  in convertToBRCT()
219   MachineBasicBlock::iterator MBBI = Compare, MBBE = Branch;  in convertToBRCT()
244     MachineInstr &MI, MachineInstr &Compare,  in convertToLoadAndTrap()  argument
262   unsigned SrcReg = getCompareSourceReg(Compare);  in convertToLoadAndTrap()
263   MachineBasicBlock::iterator MBBI = Compare, MBBE = Branch;  in convertToLoadAndTrap()
284     MachineInstr &MI, MachineInstr &Compare,  in convertToLoadAndTest()  argument
289   if (!Opcode || !adjustCCMasksForInstr(MI, Compare, CCUsers, Opcode))  in convertToLoadAndTest()
301   if (!Compare.mayRaiseFPException())  in convertToLoadAndTest()
312     MachineInstr &MI, MachineInstr &Compare,  in convertToLogical()  argument
326   if (!ConvOpc || !adjustCCMasksForInstr(MI, Compare, CCUsers, ConvOpc))  in convertToLogical()
360     MachineInstr &MI, MachineInstr &Compare,  in adjustCCMasksForInstr()  argument
363   unsigned CompareFlags = Compare.getDesc().TSFlags;  in adjustCCMasksForInstr()
371   if (Compare.mayRaiseFPException()) {  in adjustCCMasksForInstr()
484     if (MBBI == Compare) {  in adjustCCMasksForInstr()
491     MachineBasicBlock::iterator MBBI = MI, MBBE = Compare;  in adjustCCMasksForInstr()
500 static bool isCompareZero(MachineInstr &Compare) {  in isCompareZero()  argument
501   switch (Compare.getOpcode()) {  in isCompareZero()
508     if (isLoadAndTestAsCmp(Compare))  in isCompareZero()
510     return Compare.getNumExplicitOperands() == 2 &&  in isCompareZero()
511            Compare.getOperand(1).isImm() && Compare.getOperand(1).getImm() == 0;  in isCompareZero()
520     MachineInstr &Compare, SmallVectorImpl<MachineInstr *> &CCUsers) {  in optimizeCompareZero()  argument
521   if (!isCompareZero(Compare))  in optimizeCompareZero()
525   unsigned SrcReg = getCompareSourceReg(Compare);  in optimizeCompareZero()
526   MachineBasicBlock &MBB = *Compare.getParent();  in optimizeCompareZero()
530          std::next(MachineBasicBlock::reverse_iterator(&Compare)),  in optimizeCompareZero()
538         if (convertToBRCT(MI, Compare, CCUsers)) {  in optimizeCompareZero()
542         if (convertToLoadAndTrap(MI, Compare, CCUsers)) {  in optimizeCompareZero()
548       if ((!CCRefs && convertToLoadAndTest(MI, Compare, CCUsers)) ||  in optimizeCompareZero()
550            (adjustCCMasksForInstr(MI, Compare, CCUsers) ||  in optimizeCompareZero()
551             convertToLogical(MI, Compare, CCUsers)))) {  in optimizeCompareZero()
565     if (Compare.mayRaiseFPException() &&  in optimizeCompareZero()
574       std::next(MachineBasicBlock::iterator(&Compare)), MBB.end());  in optimizeCompareZero()
578       if (convertToLoadAndTest(MI, Compare, CCUsers)) {  in optimizeCompareZero()
595     MachineInstr &Compare, SmallVectorImpl<MachineInstr *> &CCUsers) {  in fuseCompareOperations()  argument
620       TII->getFusedCompare(Compare.getOpcode(), Type, &Compare);  in fuseCompareOperations()
628   Register SrcReg = Compare.getOperand(0).getReg();  in fuseCompareOperations()
630     Compare.getOperand(1).isReg() ? Compare.getOperand(1).getReg() : Register();  in fuseCompareOperations()
631   MachineBasicBlock::iterator MBBI = Compare, MBBE = Branch;  in fuseCompareOperations()
672     MIB.add(Compare.getOperand(I));  in fuseCompareOperations()
689   MBBI = Compare;  in fuseCompareOperations()